import Docker from 'dockerode'
import { TestConfig } from '../../compatibility-types'

/**
 * 环境模拟与测试服务
 * 集成Docker和混沌工程功能
 */
export class EnvironmentSimulator {
  private docker: Docker

  constructor() {
    this.docker = new Docker()
  }

  /**
   * 创建测试容器
   * @param config 测试配置
   * @returns 容器ID
   */
  async createTestContainer(config: TestConfig): Promise<string> {
    const container = await this.docker.createContainer({
      Image: config.baseImage,
      Env: config.environmentVariables,
      Cmd: config.testCommand
    })
    
    await container.start()
    return container.id
  }

  /**
   * 运行混沌测试
   * @param containerId 目标容器ID
   * @param scenarios 测试场景列表
   */
  async runChaosTests(containerId: string, scenarios: ChaosScenario[]): Promise<TestReport> {
    const container = this.docker.getContainer(containerId)
    const report: TestReport = { passed: 0, failed: 0, details: [] }

    for (const scenario of scenarios) {
      try {
        await this.injectFailure(container, scenario)
        report.passed++
        report.details.push({
          scenario: scenario.name,
          status: 'passed',
          timestamp: new Date()
        })
      } catch (error) {
        report.failed++
        report.details.push({
          scenario: scenario.name,
          status: 'failed',
          error: error.message,
          timestamp: new Date()
        })
      }
    }

    return report
  }

  private async injectFailure(container: Docker.Container, scenario: ChaosScenario) {
    // 实现具体的故障注入逻辑
  }
}

interface ChaosScenario {
  name: string
  type: 'network' | 'cpu' | 'memory' | 'disk'
  severity: 'low' | 'medium' | 'high'
  duration: number
}

interface TestReport {
  passed: number
  failed: number
  details: TestDetail[]
}

interface TestDetail {
  scenario: string
  status: 'passed' | 'failed'
  error?: string
  timestamp: Date
}